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Challenge

Hole Opening

Hole opening is usually performed to mitigate equivalent circulating density (ECD) related issues, reduce the cementing pressures or ensure casing to bottom through squeezing formations such as salt and swelling shales. Hole opening can be conducted while drilling or after a pilot hole has been drilled.

The main challenges associated with hole opening are:

Tool reliability

High torque and vibration levels

Poor wellbore quality

Stuck BHA while POOH

Poor cutting efficiency and low ROP

Unsuitable for back-reaming

Poor well cleaning

Maintaining gauge size in hard and abrasive environments

Rubicon offers reliable concentric and eccentric hole opening solutions in order to successfully enlarge the borehole to the required diameter. By reducing the torque, decreasing the vibrations and maintaining the gauge size, our hole openers deliver smoother wall finishes for casing runs and improved wellbore integrity.

We are practical innovators. We design, make and customize innovative well construction products that help customers in the energy industry solve real-world problems.Headquartered in Houston, Rubicon has 20 offices worldwide including Aberdeen and Dubai, and local offices in Bogota, Calgary, Kazakhstan and Stavanger.Today, Rubicon is supplying its products to over 50 countries worldwide.